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Crazy boy [7]
3 years ago
14

What percent of 628 is 931?

Mathematics
1 answer:
3241004551 [841]3 years ago
7 0
The answer is 67.45% but you can round it to a 67%
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Twenty percent of a number is 14. find the number
7nadin3 [17]
The answer is:   70  .
___________________________________________
Explanation:
_________________________________

(20/100) x = 14;  solve for "x".

(20/100) = 2/10 = 1/5 ; 

(1/5) x = 14

x/5 = 14 ; 

x = 14 * 5 ; 

x = 70 .  The answer is:  70 .
___________________________________
5 0
3 years ago
Read 2 more answers
An automobile manufacturer has given its car a 46.7 miles/gallon (MPG) rating. An independent testing firm has been contracted t
erastova [34]

Answer:

z=\frac{46.5-46.7}{\frac{1.1}{\sqrt{150}}}=-2.23    

The p value would be given by:

p_v =2*P(z  

For this case since th p value is lower than the significance level of0.05 we have enough evidence to reject the null hypothesis and we can conclude that the true mean for this case is significantly different from 46.7 MPG

Step-by-step explanation:

Information given

\bar X=46.5 represent the mean

\sigma=1.1 represent the population standard deviation

n=150 sample size  

\mu_o =46.7 represent the value to verify

\alpha=0.05 represent the significance level for the hypothesis test.  

z would represent the statistic

p_v represent the p value

Hypothesis to test

We want to test if the true mean for this case is 46.7, the system of hypothesis would be:  

Null hypothesis:\mu = 46.7  

Alternative hypothesis:\mu \neq 46.7  

Since we know the population deviation the statistic is given by:

z=\frac{\bar X-\mu_o}{\frac{\sigma}{\sqrt{n}}}  (1)  

Replacing we got:

z=\frac{46.5-46.7}{\frac{1.1}{\sqrt{150}}}=-2.23    

The p value would be given by:

p_v =2*P(z  

For this case since th p value is lower than the significance level of0.05 we have enough evidence to reject the null hypothesis and we can conclude that the true mean for this case is significantly different from 46.7 MPG

7 0
2 years ago
On Monday, the temperature at 10 a.m. at Sam's house was -6° Fahrenheit. The temperature at 2 p.m. at Sam's house
Naily [24]
Rose 8 Fahrenheit
I hope this help you !!!
6 0
2 years ago
Magaldi is constructing its cash budget. Its budgeted monthly sales are $20,000, and they are constant from month to month. 60%
iogann1982 [59]

Answer:

$5,820

Step-by-step explanation:

The average net cash flow during the month is total cash receipt minus total payments.

Cash receipt on the month's sales=60%*$20,000*98.5%=$11820

60% cash received ,the 98.5% is after cash discount of 1.5%

cash receipt from previous month sale=40%*$20,000=$8,000

Payment for purchases=$20,000*40%=$8,000

payment for wages,rent and taxes=$20,000*30%=$6000

Total cash inflow=$11,820+$8,000=$19820

total cash outflow=$8,000+$6,000=$14,000

average net cash flow=$19,820-$14,000=$5,820

5 0
3 years ago
SOMEONE PLEASE HELP ME ASAP PLEASE!!!​
nadezda [96]

Answer:

y=-4x+5

Step-by-step explanation:

Parallel lines have the same slope, but different y-intecpets. They are lines that travel in the same directions but never intercept.

6 0
2 years ago
Read 2 more answers
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